my BMW dealer said the OEM battery was crap and that I should use the Interstate MTP-91 battery. It has the vent port and it works well in my '94 325is. I would of rather gotton the Optima battery, but couldn't find one that would fit perfectly in my car!!

Originally posted by RexKing86@May 26 2005, 12:55 AMIts a battery! As long as it fits and gives you power it doesnt matter. Some companies my last longer... but a battery is a battery.

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for people like myself who have upgraded audio systems, a battery is much more than just a battery. also it helps to have a strong battery in the colder climates of upper north america. there are huge benifits to a better batterys.

Originally posted by Furious+May 26 2005, 02:22 AM--><div class='quotetop'>QUOTE(Furious @ May 26 2005, 02:22 AM)</div><div class='quotemain'><!--QuoteBegin-RexKing86@May 26 2005, 12:55 AMIts a battery! As long as it fits and gives you power it doesnt matter. Some companies my last longer... but a battery is a battery.

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for people like myself who have upgraded audio systems, a battery is much more than just a battery. also it helps to have a strong battery in the colder climates of upper north america. there are huge benifits to a better batterys.

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Hence the reason i said "good power". Also, you shouldn't rely only on your battery for your sound system. You should have capacitor(s). That is the best way to keep your electrical system happy and your sound!

I neglected to put in the original post that I was inquiring about an OEM battery - but most of you figured that out...but I appreciate the other recommendations...I hope this helps my slow starting problem